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Air hole, burnthrough, cooapse and welding crackle occurred in the fixed overhead weld for aluminium and aluminium alloy tubes, above all the small-size thin wall tube.

针对铝及铝合金,特别是小口径定口仰焊部位易出现气孔、穿、塌陷及焊接热裂纹等问,存在原因,从焊接工艺方面入手,提出一套消除气孔及穿操作手法。

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curvette, curvi-, curvic, curvicaudate, curvicostate, curvidentate, curvifoliate, curviform, curvilineal, curvilinear,

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3G, 401(K), a,

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Some people were saying it sounded like a smaller caliber round.

那听起来像是小口径子弹声音。

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Its hide is comparable to that of an elephant's, making it able to shrug off most small caliber weapons fire with little effect.

与大象皮相媲美, 这使它能够对大多数小口径武器屑一顾,但收效甚微。

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curvulate, curvy, curythermal, curzerene, curzerenone, Cusco, cuscohygfine, cuscus, c-use, cusec,

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3G, 401(K), a,
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